Explore topic-wise MCQs in Digital Communications.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Communications knowledge and support exam preparation. Choose a topic below to get started.

1.

Attributes of ISDN have

A. Definition
B. Allowable values
C. Definition & Allowable values
D. None of the mentioned
Answer» D. None of the mentioned
2.

The services provided by ISDN

A. Bearer service
B. Teleservice
C. Secondary service
D. All of the mentioned
Answer» E.
3.

S-interface is a _______ bus.

A. Two wire bus
B. Four wire bus
C. Single wired bus
D. None of the mentioned
Answer» C. Single wired bus
4.

Packet switched connection is provided for

A. Voice
B. Data
C. Voice & Data
D. None of the mentioned
Answer» C. Voice & Data
5.

ATTRIBUTES_OF_ISDN_HAVE?$

A. Definition
B. Allowable values
C. Definition & Allowable values
D. None of the mentioned
Answer» D. None of the mentioned
6.

THE_SERVICES_PROVIDED_BY_ISDN?$

A. Bearer service
B. Teleservice
C. Secondary service
D. All of the mentioned
Answer» E.
7.

S-interface is a _______ bus?

A. Two wire bus
B. Four wire bus
C. Single wired bus
D. None of the mentioned
Answer» C. Single wired bus
8.

T interface is the serial interface between

A. Computing device and terminal adapter
B. Terminal adapter and exchange unit
C. Exchange unit and network terminating unit
D. Computing device and exchange unit
Answer» B. Terminal adapter and exchange unit
9.

U-interface is the two wire interface between

A. Computing device and terminal adapter
B. Terminal adapter and exchange unit
C. Exchange unit and network terminating unit
D. Computing device and exchange unit
Answer» D. Computing device and exchange unit
10.

Channel bonding provides

A. Higher data rate
B. Lower data rate
C. Does not affect data rate
D. None of the mentioned
Answer» B. Lower data rate
11.

Circuit switched connection is provided for

A. Voice
B. Data
C. Voice & Data
D. None of the mentioned
Answer» D. None of the mentioned
12.

ISDN is a

A. Packet switched network
B. Circuit switched telephone network
C. Packet switched & Circuit switched telephone network
D. None of the mentioned
Answer» D. None of the mentioned
13.

ISDN integrates speech and data on

A. Different lines
B. Same lines
C. Different & Same lines
D. None of the mentioned
Answer» C. Different & Same lines